Home / 39,768.45-59,651.33-10,186.58

Finding the Fourth Proportional to 39,768.45, 59,651.33 and 10,186.58

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Solution

The fourth proportional to 39,768.45, 59,651.33 and 10,186.58 is: 15,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.45 : 59,651.33 = 10,186.58 : x
  2. Step 2: Convert to fraction form
    39,768.45/59,651.33 = 10,186.58/x
  3. Step 3: Cross multiply
    39,768.45x = 59,651.33 × 10,186.58
  4. Step 4: Simplify right side
    39,768.45x = 607,642,695.96
  5. Step 5: Solve for x
    x = 607,642,695.96/39,768.45
  6. Step 6: Final answer
    x = 15,279.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.